From 7c3477cb616677a1e886373af4b929d7f3497729 Mon Sep 17 00:00:00 2001
From: cinap_lenrek <cinap_lenrek@felloff.net>
Date: Fri, 19 Jun 2020 20:19:57 +0200
Subject: [PATCH] ip/torrent: fix size check in 64-bit "v" unpack (thanks pr)

---
 sys/src/cmd/ip/torrent.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/src/cmd/ip/torrent.c b/sys/src/cmd/ip/torrent.c
index 54d631e03..9f37a1f4e 100644
--- a/sys/src/cmd/ip/torrent.c
+++ b/sys/src/cmd/ip/torrent.c
@@ -295,7 +295,7 @@ unpack(uchar *s, int n, char *fmt, ...)
 			s += 4;
 			break;
 		case 'v':
-			if(s+4 > e) goto Err;
+			if(s+8 > e) goto Err;
 			*va_arg(arg, vlong*) = 
 				(vlong)s[0]<<56 | 
 				(vlong)s[1]<<48 |